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Using suitable rearrangement and find th...

Using suitable rearrangement and find the sum:
`(4)/(7) +((-4)/(9)) +(3)/(7) +((-13)/(9))`

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Using suitable rearrangement and find the sum: -5+(7)/(10) +(3)/(7) +(-3) +(5)/(14) +(-4)/(5)

Re-arrange suitably and find the sum: (-4)/(7)+(7)/(6)+(2)/(7)+3+(-11)/(6)

Re- arrange suitably and find the sum: (5)/(3)+(11)/(2)+(-9)/(4)+(-8)/(3)+(-7)/(2)

Find the sum: 1/9+4/9+7/9

Find the sum : (-7)+(-9)+4+(-10)

Find the reciprocal of (2)/(5)x(4)/(9)( ii) (-3)/(8)x(-7)/(13)

Re-arrange suitably and find the sum in each of the following: (3)/(5)+(7)/(3)+(9)/(5)+(-13)/(15)+(-7)/(3) (ii) (4)/(13)+(-5)/(8)+(-8)/(13)+(9)/(13)

NCERT EXEMPLAR-RATIONAL NUMBERS -Exercise
  1. Solve the following: Select the rational numbers from the list which a...

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  2. Select those rational numbers which can be written as a rational nu...

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  3. Using suitable rearrangement and find the sum: (4)/(7) +((-4)/(9)) +...

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  4. Using suitable rearrangement and find the sum: -5+(7)/(10) +(3)/(7) ...

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  5. Verify -(-x)=x for x=(3)/(5)

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  6. Verify -(-x)=x for x= (-7)/(9)

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  7. Verify -(-x)=x for x=(13)/(-15)

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  8. Give one example each to show that the rational numbers are closed und...

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  9. Verify the property x + y = y + x of rational numbers by taking x=(1...

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  10. Verify the property x + y = y + x of rational numbers by taking x=(-2...

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  11. Verify the property x + y = y + x of rational numbers by taking x= (...

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  12. Verify the property x + y = y + x of rational numbers by taking x=(-...

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  13. Simplify each of the following using suitable property. (i) [ 1/2 xx 1...

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  14. Simplify each of the following by using suitable property. Also name t...

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  15. Simplify each of the following by using suitable property. Also name t...

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  16. Tell which property allows you to compute (1)/(5)xx[(5)/(6) xx (7)/(...

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  17. Verify the property x xx y = y xx x of rational numbers by using x...

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  18. Verify the property x xx y = y xx x of rational numbers by using x=...

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  19. Verify the property x xx y = y xx x of rational numbers by using x=...

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  20. Verify the property x xx y = y xx x of rational numbers by using x=...

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